import matplotlib.pyplot as plt 
y1=[7,13,20,30,8,36,60,50,25,40] 
x1=range(0,10) 
x2=range(0,10) 
y2=[20,65,5,35,10,17,55,30,3,42] 
plt.plot(x1,y1,label='Frist set of data',linewidth=3,color='r',marker='o', 
markerfacecolor='blue',markersize=12) 
plt.plot(x2,y2,label='second set of data') 
plt.xlabel('Plot Number') 
plt.ylabel('Important var') 
plt.title('DATA SET\n(random data)') 
plt.legend() 
plt.show() 
